| Mathbox for Alexander van der Vekens |
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| Mirrors > Home > MPE Home > Th. List > Mathboxes > 2zrng0 | Structured version Visualization version GIF version | ||
| Description: The additive identity of R is the complex number 0. (Contributed by AV, 11-Feb-2020.) |
| Ref | Expression |
|---|---|
| 2zrng.e | ⊢ 𝐸 = {𝑧 ∈ ℤ ∣ ∃𝑥 ∈ ℤ 𝑧 = (2 · 𝑥)} |
| 2zrngbas.r | ⊢ 𝑅 = (ℂfld ↾s 𝐸) |
| Ref | Expression |
|---|---|
| 2zrng0 | ⊢ 0 = (0g‘𝑅) |
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | cncrng 21595 | . . 3 ⊢ ℂfld ∈ CRing | |
| 2 | crngring 20373 | . . 3 ⊢ (ℂfld ∈ CRing → ℂfld ∈ Ring) | |
| 3 | ringmnd 20371 | . . 3 ⊢ (ℂfld ∈ Ring → ℂfld ∈ Mnd) | |
| 4 | 1, 2, 3 | mp2b 10 | . 2 ⊢ ℂfld ∈ Mnd |
| 5 | 2zrng.e | . . 3 ⊢ 𝐸 = {𝑧 ∈ ℤ ∣ ∃𝑥 ∈ ℤ 𝑧 = (2 · 𝑥)} | |
| 6 | 5 | 0even 49061 | . 2 ⊢ 0 ∈ 𝐸 |
| 7 | ssrab2 4035 | . . . 4 ⊢ {𝑧 ∈ ℤ ∣ ∃𝑥 ∈ ℤ 𝑧 = (2 · 𝑥)} ⊆ ℤ | |
| 8 | 5, 7 | eqsstri 3984 | . . 3 ⊢ 𝐸 ⊆ ℤ |
| 9 | zsscn 12616 | . . 3 ⊢ ℤ ⊆ ℂ | |
| 10 | 8, 9 | sstri 3947 | . 2 ⊢ 𝐸 ⊆ ℂ |
| 11 | 2zrngbas.r | . . 3 ⊢ 𝑅 = (ℂfld ↾s 𝐸) | |
| 12 | cnfldbas 21578 | . . 3 ⊢ ℂ = (Base‘ℂfld) | |
| 13 | cnfld0 21598 | . . 3 ⊢ 0 = (0g‘ℂfld) | |
| 14 | 11, 12, 13 | ress0g 18857 | . 2 ⊢ ((ℂfld ∈ Mnd ∧ 0 ∈ 𝐸 ∧ 𝐸 ⊆ ℂ) → 0 = (0g‘𝑅)) |
| 15 | 4, 6, 10, 14 | mp3an 1490 | 1 ⊢ 0 = (0g‘𝑅) |
| Colors of variables: wff setvar class |
| This proof depends on syntax axioms: = wceq 1570 ∈ wcel 2146 ∃wrex 3091 {crab 3418 ⊆ wss 3906 ‘cfv 6540 (class class class)co 7419 ℂcc 11115 0cc0 11117 · cmul 11122 2c2 12312 ℤcz 12608 ↾s cress 17314 0gc0g 17516 Mndcmnd 18826 Ringcrg 20361 CRingccrg 20362 ℂfldccnfld 21574 |
| This proof depends on axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1828 ax-4 1842 ax-5 1943 ax-6 2000 ax-7 2041 ax-8 2148 ax-9 2156 ax-10 2179 ax-11 2195 ax-12 2216 ax-ext 2737 ax-sep 5259 ax-nul 5271 ax-pow 5338 ax-pr 5406 ax-un 7742 ax-cnex 11173 ax-resscn 11174 ax-1cn 11175 ax-icn 11176 ax-addcl 11177 ax-addrcl 11178 ax-mulcl 11179 ax-mulrcl 11180 ax-mulcom 11181 ax-addass 11182 ax-mulass 11183 ax-distr 11184 ax-i2m1 11185 ax-1ne0 11186 ax-1rid 11187 ax-rnegex 11188 ax-rrecex 11189 ax-cnre 11190 ax-pre-lttri 11191 ax-pre-lttrn 11192 ax-pre-ltadd 11193 ax-pre-mulgt0 11194 ax-addf 11196 |
| This proof depends on definitions: df-bi 210 df-an 402 df-or 862 df-3or 1104 df-3an 1105 df-tru 1573 df-fal 1583 df-ex 1813 df-nf 1817 df-sb 2100 df-mo 2569 df-eu 2599 df-clab 2744 df-cleq 2757 df-clel 2840 df-nfc 2914 df-ne 2961 df-nel 3067 df-ral 3082 df-rex 3092 df-rmo 3371 df-reu 3372 df-rab 3419 df-v 3459 df-sbc 3747 df-csb 3855 df-dif 3909 df-un 3911 df-in 3913 df-ss 3923 df-pss 3926 df-nul 4287 df-if 4490 df-pw 4566 df-sn 4592 df-pr 4594 df-tp 4596 df-op 4598 df-uni 4875 df-iun 4960 df-br 5112 df-opab 5176 df-mpt 5195 df-tr 5221 df-id 5558 df-eprel 5563 df-po 5571 df-so 5572 df-fr 5616 df-we 5618 df-xp 5669 df-rel 5670 df-cnv 5671 df-co 5672 df-dm 5673 df-rn 5674 df-res 5675 df-ima 5676 df-pred 6306 df-ord 6367 df-on 6368 df-lim 6369 df-suc 6370 df-iota 6496 df-fun 6542 df-fn 6543 df-f 6544 df-f1 6545 df-fo 6546 df-f1o 6547 df-fv 6548 df-riota 7376 df-ov 7422 df-oprab 7423 df-mpo 7424 df-om 7869 df-1st 7992 df-2nd 7993 df-frecs 8284 df-wrecs 8315 df-recs 8364 df-rdg 8403 df-1o 8459 df-er 8700 df-en 8950 df-dom 8951 df-sdom 8952 df-fin 8953 df-pnf 11262 df-mnf 11263 df-xr 11264 df-ltxr 11265 df-le 11266 df-sub 11460 df-neg 11461 df-nn 12251 df-2 12320 df-3 12321 df-4 12322 df-5 12323 df-6 12324 df-7 12325 df-8 12326 df-9 12327 df-n0 12522 df-z 12609 df-dec 12730 df-uz 12881 df-fz 13554 df-struct 17231 df-sets 17248 df-slot 17266 df-ndx 17278 df-base 17294 df-ress 17315 df-plusg 17347 df-mulr 17348 df-starv 17349 df-tset 17353 df-ple 17354 df-ds 17356 df-unif 17357 df-0g 17518 df-mgm 18722 df-sgrp 18811 df-mnd 18827 df-grp 19049 df-cmn 19898 df-mgp 20263 df-ring 20363 df-cring 20364 df-cnfld 21575 |
| This theorem is used by: 2zrngagrp 49073 |
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